Concept
DTU Nutech GM-25-5A beta Multicounter system
URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0533/ |
---|---|
Within Vocab | SeaVoX Device Catalogue |
Preferred Label | DTU Nutech GM-25-5A beta Multicounter system |
Definition | A laboratory instrument designed to count beta particles emitted by a sample using the Geiger-Muller principle. A steady gas stream of argon (99%) and isobutene or propane (1%) becomes ionised due to beta particle emission from the sample, and the ionised gas particles are collected within a high voltage field, detected as an electric current pulse and recorded as a counting event. A guard counter allows the removal of the cosmic background radiation signal. The instrument is typically placed inside a lead shielding to reduce the ambient background radiation. |
Broader |
L05:
Geiger counters |
Related |
B75:
Technical University of Denmark Centre for Nuclear Technologies |
Note | accepted |
Deprecated | false |
Alternative Label | DTU Nutech GM-25-5A |
Version | 1 |
Has Current Version | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0533/1/ |
Authored On | 2012-08-21 12:05:06 |
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